CIRCUTOR QNA500 series - Manual (Page 13)

POWER QUALITY ANALYZER QNA500 8IO
QNA500 8IO Instruction manual 13 / 111
5.4.- CONNECTING THE ANALYZER
Check the following sections before connecting the equipment:
1. Auxiliary voltage features
2. Maximum voltage of the voltage measurement circuit
3. Maximum current of the current measurement circuit
4. Operating conditions
5. Safety
5.4.1.- AUXILIARY POWER SUPPLY
Standard power supply: 90-300VAC / 100-300VCC
Frequency: 50…60 Hz
5.4.2.- NOMINAL VOLTAGE OF THE VOLTAGE MEASUREMENT CIRCUIT
Measurement voltage: 0…500 V (phase-neutral)
Maximum measurement voltage: 500/866 V (phase-neutral / phase-phase)
Frequency: 42.5…69 Hz
5.4.3.- NOMINAL CURRENT OF THE CURRENT MEASUREMENT CIRCUIT
Secondary current: /5 A (standard model)
Secondary current: /1 A (depending on the model)
Maximum Current: 1.2 x I
secondary
5.4.4.- OPERATING CONDITIONS
Operating temperature: -10ºC to +55ºC
Relative humidity:
5…95%
Altitude: 2000 m
5.4.5.- SAFETY
The QNA500 has been specially designed for CAT IV 600V (CAT III 1000V) installations, in
compliance with the EN61010 standard. Designed and identified with the EC mark.
Disconnect the QNA500 from the power supply and measurement sources
before working on it to expand it with expansion modules, to modify the
connections or to replace the equipment. It is dangerous to handle the
equipment while it is under power.